CONTENTS, 



/ 



LETTER OF TRANSMITTAL. 

 GENERAL REPORT. 



Report of November 1, 1800. 

 Report of November 27, 1861. 



GEOLOGICAL REPORT. 



PREFATORY NOTE. 

 LETTER OF TRANSMITTAL. 



CHAPTER I. 

 GEOLOGY OP THE ROUTE BETWEEN ST. Louis AND SANTA FK. 



General geological sketch Independence to Dragoon Creek Carboniferous strata Character of coal and Coal" 

 Measures of Kansas Due to what causes Coal-plants of Kansas Molluscous fossils Dragoon Creek to Cotton wood 

 Creek Permo-Curhoniferous and Permian strata Difficulty of separating these formations Cotton wood Creek to 

 Walnut Creek Gypsum formation Its parallelism Walnut Creek to Pawnee Fork Lower Cretaceous rocks Sand- 

 stones withimpressions of leaves Pawnee Fork toCimarron Tertiary strata Arkansas basin Its relation to that of 

 White River Cimarron to Enchanted Spring Jurassic? rocks Enchanted Spring to Cottonwool! Spring Lower 

 Cretaceous and Tertiary beds Cottonwood Spring to Canadian Trap buttes and mesas near Raton Mountains- 

 Cretaceous rocks of the Canadian Table-lands skirting the Rocky Mountains Canadian to Las Vegas Trap plateau 

 at Burgwiii's Spring Cretaceous strata at Fort Union and Las Vegas. 



CHAPTER II. 



GEOLOGY OF THE VICINITY OP SANTA FE. 



Santa F6 Mountains Granite General geological features, its character and contained minerals Relations of the 

 Santa F<5 mountains Placer Mountains Cretaceous and Triassic rooks Cretaceous lignite converted into anthra- 

 cite by an outburst of trap Gold of the Placer Mountains Copper Iron The Crreillos Gold Silver Lead 

 Copper Iron Turquoise Ancient Chalchuitl mines The Sandia Mountain The Valles Stratified rocks Carbo- 

 niferous formations Santa Fe section Section at Pecos Village Peruio-Carboniferous beds Gypsum formation 

 Section at San Jos<S Fossil plants Cretaceous formation Subdivisions of the system Yellow sandstones of 

 Canon Blanco Cretaceous Sections at Gallisteo and Pope's Well Tertiary beds of fresh-water origin. 



CHAPTER III. 

 GENERAL VIEW OF THE GEOLOGY OF THE COUNTRY BORDERING THE UPPER COLORADO. 



Bird's-eye view of the Colorado plateau and its surroundings Mountain-chains by which the plateau is encircled 

 Rocky Mountain system Its extent and general structure Different features which it presents on difi'erent paral- 

 lels Different ranges of the Rocky Mountains, probably uot of the same age Rocky Mountain region has suffered 



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